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Document Text Contents
Page 1

Power Engineering Guide
Transmission and Distribution

Page 2

Siemens Power Engineering Guide · Transmission & Distribution

Your local representative:

Distributed by:
Siemens Aktiengesellschaft
Power Transmission and Distribution Group
International Business Development,
Dept. EV IBD

P.O. Box 3220
D-91050 Erlangen
Phone: ++49-9131-73 4540
Fax: ++49-9131-73 4542

Power Transmission and Distribution
group online:
http://www.siemens.ev.de

Power Engineering Guide
Transmission and Distribution For further information to each chapter:

High Voltage
Design of Air-insulated Outdoor Substations
Fax.: ++49-9131-73 18 58

Gas-insulated Swichgear for Substations
Fax.: ++49-9131-73 46 62

Gas-insulated Transmission Lines
Fax.: ++49-9131-734490
Circuit Breakers for 72 kV up to 800 kV
Fax.: ++49-3 03 86-2 58 67

High-voltage Direct Current Transmission
Fax.: ++49-9131-73 35 66

Power Compensation in Transmission Systems
Fax.: ++49-9131-73 45 54
Power Compensation in Distribution Systems
Fax.: ++49-9131-73 13 74

Surge Arresters
Fax.: ++49-3 03 86-2 67 21

Worldwide Service for High- and Medium-
voltage Switchgear and Substations
Fax.: ++49-9131-73 44 49

Medium Voltage
Primary Distribution
Fax.: ++49-9131-73 46 39
Containerized Switchgear
Fax.: ++49-68 94-89 12 94

Secondary Distribution
Fax.: ++49-9131-73 46 36

Medium Voltage Devices
Fax.: ++49-9131-73 46 54

Low Voltage
SIVACON
Fax.: ++49-3 41-4 47 04 00

Transformers
Distribution Transformers
Fax.: ++49-70 21-50 85 48

Power Transformers
Fax.: ++49-9 11-4 34 2147

Power Cables
Low- and Medium-Voltage Cables
Fax.: ++49-9131-73 24 55 and ++49-9131-7310 92
High- and Extra High Cables
Fax.: ++49-9131-73 47 44

Accessories for Low- and Medium-Voltage Cables
Fax.: ++49-23 31-35 7118

Accessories for High-Voltage Cables
Fax.: ++49-23 31-35 71 18

Protection and Substation Control
Fax.: ++49-911-4 33-85 89

Power Systems Control
SCADA/EMS/DMS
Fax.: ++49-9 11-4 33-81 22
Control Room Technology
Fax.: ++49-911-433-8183

Power Network Telecommunication
Fax.: ++49-89-722-2 44 53 or ++49-89-7 22-4 1982

Energy Metering
Fax.: ++49-9 11-4 33-80 37

Overhead Power Lines
Fax.: ++49-9131-72 95 93

System Planning
Fax.: ++49-9131-73 44 45

High-Voltage Power Transmission Systems
Fax.: ++49-9131-734672

Page 166

4/14 Siemens Power Engineering Guide · Transmission & Distribution

50

160

(200)

Sound
power
level

LWA
[dB]

Dist.
between
wheel
centers

E
[mm]

Total
weight

Length
A1

Width
B1

Height
H1

[kg] [mm] [mm] [mm]

TU
M

ET
IC

TU
N

O
R

M
A

TU
M

ET
IC

TU
N

O
R

M
A

TU
M

ET
IC

TU
N

O
R

M
A

TU
M

ET
IC

TU
N

O
R

M
A

TU
M

ET
IC

TU
N

O
R

M
A

Dimensions

* In case of short-circuits at 75 °C

42

34

34

42

34

33

x

45

35

35

45

35

35

x

47

37

38

47

37

37

x

48

38

38

48

38

38

x

12

24

36

12

24

36

12

24

36

12

24

36

4

4

4

4

4

4

6

4

4

4

4

4

4

6

4

4

4

4

4

4

6

4

4

4

4

4

4

6

..4744-3LB

..4744-3RB

..4744-3TB

..4767-3LB

..4767-3RB

..4767-3TB

..4780-3CB

..5044-3LB

..5044-3RB

..5044-3TB

..5067-3LB

..5067-3RB

..5067-3TB

..5080-3CB

..5244 -3LA

..5244-3RA

..5244-3TA

..5267-3LA

..5267-3RA

..5267-3TA

..5280-3CA

..5344-3LA

..5344-3RA

..5344-3TA

..5367-3LA

..5367-3RA

..5367-3TA

..5380-3CA

B-A'

A-C'

C-C'

B-A'

A-C'

C-C'

E-D´

B-A'

A-C'

C-C'

B-A'

A-C'

C-C'

E-D´

B-A'

A-C'

C-C'

B-A'

A-C'

C-C'

E-D´

B-A'

A-C'

C-C'

B-A'

A-C'

C-C'

E-D´

190

125

125

190

125

125

230

320

210

210

320

210

210

380

460

300

300

460

300

300

520

550

360

360

550

360

360

600

55

47

47

55

47

47

52

59

49

49

59

49

49

56

62

52

52

62

52

52

59

63

53

53

63

53

53

61

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

520

340

400

420

370

430

480

500

500

570

600

520

600

640

660

620

700

760

660

730

800

900

720

840

900

800

890

950

1000

350

430

440

380

460

510

x

500

570

620

530

610

680

x

610

690

780

640

730

820

x

710

830

920

780

910

980

x

860

825

835

760

860

880

1000

1090

980

1030

1020

1030

960

1050

1140

1130

985

1150

1030

1120

1120

1190

1070

1130

1290

1110

1080

1250

980

1045

985

860

860

1100

x

1020

980

930

1140

1030

1060

x

1140

1010

1085

1150

930

1120

x

1190

1120

1130

1290

1230

1180

x

660

660

660

660

660

685

710

660

660

660

685

690

695

780

710

660

660

695

695

710

800

680

660

660

820

755

705

800

1210

1210

1220

1315

1300

1385

1530

1275

1315

1320

1360

1400

1425

1600

1350

1390

1380

1440

1540

1475

1700

1450

1470

1450

1595

1630

1595

1700

1085

1085

1095

1235

1220

1265

x

1110

1145

1150

1245

1280

1305

x

1185

1220

1215

1320

1420

1355

x

1285

1300

1285

1425

1460

1430

x

100

1350

1100

875

1350

1100

875

1450

2150

1750

1475

2150

1750

1475

2350

3100

2350

2000

3100

2350

2000

3350

3600

2760

2350

3600

2760

2350

3800

660

660

660

660

660

660

x

660

660

660

660

660

660

x

710

660

660

660

660

660

x

680

660

680

800

680

690

x

Rated
power

Sn
[kVA]

Max.
rated
volt.
HV
side

Um
[kV]

Impe-
dance
voltage

U2
[%]

Type Combi-
nation of
losses
acc.
CENELEC

No-load
losses

P0
[W]

Sound
press.
level
1 m
toler-
ance
+ 3 dB

LPA
[dB]

Load
losses

Pk 75*
[W]4JB… 4HB…

x: on requestDimensions and weights are approximate values. Rated power figures in parentheses are not standardized.

Technical Data Distribution Transformers
TUNORMA and TUMETIC

Fig. 26: Selection table: oil-immersed distribution transformers 50 to 2500 kVA

Page 167

4/15Siemens Power Engineering Guide · Transmission & Distribution

Sound
power
level

LWA
[dB]

Dist.
between
wheel
centers

E
[mm]

Total
weight

Length
A1

Width
B1

Height
H1

[kg] [mm] [mm] [mm]

TU
M

ET
IC

TU
N

O
R

M
A

TU
M

ET
IC

TU
N

O
R

M
A

TU
M

ET
IC

TU
N

O
R

M
A

TU
M

ET
IC

TU
N

O
R

M
A

TU
M

ET
IC

TU
N

O
R

M
A

Dimensions

250

400

(500)

* In case of short-circuits at 75 °C

Rated
power

Sn
[kVA]

Max.
rated
volt.
HV
side

Um
[kV]

Impe-
dance
voltage

U2
[%]

Type Combi-
nation of
losses
acc.
CENELEC

No-load
losses

P0
[W]

Sound
press.
level
1 m
toler-
ance
+ 3 dB

LPA
[dB]

Load
losses

Pk 75*
[W]4JB… 4HB…

x: on requestDimensions and weights are approximate values. Rated power figures in parentheses are not standardized.

..5444-3LA

..5444-3RA

..5444-3TA

..5467-3LA

..5467-3RA

..5467-3TA

..5480-3CA

..5544-3LA

..5544-3RA

..5544-3TA

..5567-3LA

..5567-3RA

..5567-3TA

..5580-3CA

..5644-3LA

..5644-3RA

..5644-3TA

..5667-3LA

..5667-3RA

..5667-3TA

..5580-3CA

..5744-3LA

..5744-3RA

..5744-3TA

..5767-3LA

..5767-3RA

..5767-3TA

..5780-3CA

50

40

40

49

39

40

x

50

40

40

50

40

40

x

52

42

42

52

42

42

x

53

42

43

53

42

43

x

12

24

36

12

24

36

12

24

36

12

24

36

4

4

4

4

4

4

6

4

4

4

4

4

4

6

4

4

4

4

4

4

6

4

4

4

4

4

4

6

B-A'

A-C'

C-C'

B-A'

A-C'

C-C'

E-E´

B-A'

A-C'

C-C'

B-A'

A-C'

C-C'

E-E´

B-A'

A-C'

C-C'

B-A'

A-C'

C-C'

E-E´

B-A'

A-C'

C-C'

B-A'

A-C'

C-C'

E-E´

650

425

425

650

425

425

650

780

510

510

780

510

510

760

930

610

610

930

610

610

930

1100

720

720

1100

720

720

1050

65

55

55

65

55

55

62

66

56

56

66

56

56

64

68

58

58

68

58

58

65

69

59

59

69

59

59

66

520

520

520

520

520

520

520

670

670

670

670

670

670

670

670

670

670

670

670

670

670

670

670

670

670

670

670

670

830

940

1050

920

1010

1120

1100

980

1120

1240

1050

1170

1250

1220

1180

1320

1470

1240

1370

1490

1480

1410

1650

1700

1460

1650

1860

1680

820

920

1070

900

1010

1140

x

960

1100

1260

1030

1150

1280

x

1160

1310

1470

1220

1350

1520

x

1380

1620

1710

1440

1620

1910

x

1300

1260

1220

1340

1140

1220

1350

1440

1400

1380

1450

1410

1395

1420

1470

1400

1410

1570

1475

1440

1470

1500

1560

1500

1470

1495

1535

1510

1300

1260

1220

1340

1190

1340

x

1330

1250

1260

1350

1270

1290

x

1390

1360

1390

1570

1400

1400

x

1430

1550

1470

1530

1420

1500

x

810

670

690

800

760

715

800

820

820

820

840

820

820

960

930

820

820

940

820

820

990

840

890

820

835

835

820

1030

1450

1480

1530

1620

1675

1640

1680

1655

1690

1665

1655

1755

1675

1700

1700

1700

1695

1655

1760

1765

1830

1710

1745

1745

1755

1815

1860

1900

1285

1415

1310

1450

1510

1475

x

1385

1415

1390

1510

1610

1540

x

1425

1430

1420

1510

1615

1540

x

1440

1470

1470

1610

1665

1645

x

(315)

4200

3250

2750

4200

3250

2750

4250

5000

3850

3250

5000

3850

3250

5400

6000

4600

3850

6000

4600

3850

6200

7100

5450

4550

7100

5450

4550

7800

810

820

700

760

680

710

x

820

820

820

840

820

820

x

930

820

820

940

820

820

x

840

890

820

850

820

820

x

Technical Data Distribution Transformers
TUNORMA and TUMETIC

Fig. 27: Selection table: oil-immersed distribution transformers 50 to 2500 kVA

Page 331

Siemens Power Engineering Guide · Transmission & Distribution

Conversion Factors and Tables

Volume rate of flow

1 gallon/s

1 gallon/min

1 ft3/s

1 ft3/min

3.785 l/s

0.227 m3/h = 227 l/h

101.941 m3/h

1.699 m3/h

Non-metric system SI system

Non-metric systemSI system

1 l/s

1 l/h

1 m3/h

0.264 gallon/s

0.0044 gallon/min

4.405 gallon/min =
0.589 ft3/min = 0.0098 ft3/s

Mass, weight

1 oz

1 lb

1 sh ton

28.35 g

0.454 kg = 453.6 g

0.907 t = 907.2 kg

1 g

1 kg

1 t

0.035 oz

2.205 lb = 35.27 oz

1.102 sh ton = 2205 lb

Non-metric system SI system

Non-metric systemSI system

Velocity

1 ft/s

1 mile/h

0.305 m/s = 1.097 km/h

0.447 m/s = 1.609 km/h

1 m/s

1 km/h

3.281 ft/s = 2.237 mile/h

0.911 ft/s = 0.621 mile/h

Non-metric system SI system

Non-metric systemSI system

Volume

1 in3

1 ft3

1 yd3

1 fl. oz.

1 quart

1 pint

1 gallon

1 barrel

16.387 cm3

28.317 dm3 = 0.028 m3

0.765 m3

29.574 cm3

0.946 dm3 = 0.946 l

0.473 dm3 = 0.473 l

3.785 dm3 = 3.785 l

158,987 dm3 = 1.589 m3

= 159 l

1 cm3

1 dm3

= 1 l

1 m3

0.061 in3 = 0.034 fl. oz.

61.024 in3 =
0.035 ft3 = 1.057 quart =
2.114 pint = 0.264 gallon

0.629 barrel

Non-metric system SI system

Non-metric systemSI system

Force

1 lbf

1 kgf

1 tonf

4.448 N

9.807 N

9.964 kN

0.225 lbf = 0.102 kgf

0.100 tonf

Non-metric system SI system

Non-metric systemSI system

1 N

1 kN

Torque, moment of force

1 lbf in

1 lbf ft

0.113 Nm = 0.012 kgf m

1.356 Nm = 0.138 kgf m

8.851 lbf in = 0.738 lbf ft
(= 0.102 kgf m)

Non-metric system SI system

Non-metric systemSI system

1 Nm

Moment of inertia J.

Numerical value equation: J = = Wr2GD
2

4

1 lbf ft2 0.04214 kg m2

23.73 lb ft2

Non-metric system SI system

Non-metric systemSI system

1 kg m2

Pressure

1 in HG

1 psi

1 lbf/ft2

1 lbf/in2

1 tonf/ft2

1 tonf/in2

0.034 bar

0.069 bar

4.788 x 10-4 bar =
4.882 x 10-4 kgf/cm2

0.069 bar = 0.070 kgf/cm2

1.072 bar = 1.093 kgf/cm2

154.443 bar =
157.488 kgf/cm2

1 bar
= 105 pa
= 102 kpa

29.53 in Hg =
14.504 psi =
2088.54 lbf/ft2 =
14.504 lbf/in2 =
0.932 tonf/ft2 =
6.457 x 10-3 tonf/in2

(= 1.02 kgf/cm2)

Non-metric system SI system

Non-metric systemSI system

Energy, work, heat

1 hp h

1 ft lbf

1 Btu

0.746 kWh = 2.684 x 106 J
= 2.737 x 105 kgf m

0.138 kgf m

1.055 kJ = 1055.06 J
(= 0.252 kcal)

1 kWh

1 J

1 kgf m

1.341 hp h = 2.655 kgf m
= 3.6 x 105 J

3.725 x 10-7 hp h =
0.738 ft lbf =
9.478 x 10-4 Btu
(= 2.388 x 10-4 kcal)

3.653 x 10-6 hp h =
7.233 ft lbf

Non-metric system SI system

Non-metric systemSI system

Page 332

Siemens Power Engineering Guide · Transmission & Distribution

Conversion Factors and Tables

1 km = 1000 m;
1 m = 100 cm = 1000 mm

1 km2 = 1000 000 m2;
1 m2 = 10 000 cm2;
1 cm2 = 100 mm2

1 m3 = 1000 000 cm3;
1 cm3 = 1000 mm3

1 t = 1000 kg; 1 kg = 1000 g

1 kW = 1000 W

Specific steam consumption

1 lb/hp h 0.608 kg/kWh

1 kg/kWh 1.644 lb/hp h

Non-metric system SI system

Non-metric systemSI system

Power

1 hp

1 ft lbf/s

1 kcal/h

1 Btu/h

0.746 kW = 745.70 W =
76.040 kgf m/s
(= 1.014 PS)

1.356 W (= 0.138 kgf in/s)

1.163 W

0.293 W

1 kW

1 W

1.341 hp =
101.972 kgf m/s
(= 1.36 PS)

0.738 ft lbf/s = 0.86 kcal/h
= 3.412 Btu
(= 0.102 kgf m/s)

Non-metric system SI system

Non-metric systemSI system

Temperature

°F °C
°F K

(ϑF – 32) = ϑC
ϑF + 255.37 = T

Non-metric system SI system

Non-metric systemSI system

5
6
5
9

°C °F
K °F

ϑC + 32 = ϑF
ϑ T – 459.67 = ϑF

9
5
9
5

Note:
Quantity Symbol Unit

Fahrenheit
temperature

Celsius (Centigrade)
temperature

Thermodynamic
temperature

* The letter t may be used instead of ϑ

ϑF*

ϑC*

T

°F

°C

K
(Kelvin)

Examples for decimal multiples
and submultiples of metric units

Conditions of Sale and Delivery

Subject to the “General Conditions of Sup-
ply and Delivery for Products and Services
of the Electrical and Electronics Industry”.
The technical data, dimensions and
weights are subject to change unless
otherwise stated on the individual pages
of this catalog.
The illustrations are for reference only.

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